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3 years ago

Define ductile.........?

Chemistry

2 answers:

wel3 years ago

3 0

Answer:

able to drawn on thin wire.........

daser333 [38]3 years ago

3 0

Answer:

being able to hammer out thin

Explanation:

some examples are jf you were to get a piece of wire and hammer it,if would become flat.

hope that helps

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In the Energy and Specific Heat lab, how should the water bath be stabilized over the heat source? Select one:

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Answer:

Explanation:

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3 years ago

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Determine the electrical work required to produce one mole of hydrogen in the electrolysis of liquid water at 298°K and 1 atm. T

Ostrovityanka [42]

Explanation:

The given data is as follows.

$\Delta H$ = 286 kJ = $286 kJ \times \frac{1000 J}{1 kJ}$

= 286000 J

$S_{H_{2}O} = 70 J/^{o}K$ , $S_{H_{2}} = 131 J/^{o}K$

$S_{O_{2}} = 205 J/^{o}K$

Hence, formula to calculate entropy change of the reaction is as follows.

$\Delta S_{rxn} = \sum \nu_{i}S_{i}_(products) - \sum \nu_{i}S_{i}_(reactants)$

= $[(\frac{1}{2} \times S_{O_{2}}) - (1 \times S_{H_{2}})] - [1 \times S_{H_{2}O}]$

= $[(\frac{1}{2} \times 205) + (1 \times 131)] - [(1 \times 70)]$

= 163.5 J/K

Therefore, formula to calculate electric work energy required is as follows.

$\Delta G_{rxn} = \Delta H_{rxn} - T \Delta S_{rxn}$

= $286000 J - (163.5 J/K \times 298 K)$

= 237.277 kJ

Thus, we can conclude that the electrical work required for given situation is 237.277 kJ.

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3 years ago

Write the electron configuration for the elements whose atomic numbers are the following:

andreev551 [17]

Answer:

3= Lithium (Li) = [He] 2s1

6= Carbon (C) = [He] 2s2 2p2

8=Oxygen (O)= [He] 2s2 2p4

13=Aluminium (Al)= [Ne] 3s2 3p1

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2 years ago

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Answer:

1. The energy intensity from the ruler going through the air

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2 years ago

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Lynna [10]

Answer: B

Explanation: molarity = concentration c= n/V = 0.5 mol/ 0.05 l = 10 mol/l

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2 years ago

Define ductile.........?​

Define ductile.........?